4 Pcs HSS Drill Bit Set Wood Working Countersink Pilot Screw Hole Carpentry UK
UK Seller, Fast Shipping
Features:

Four piece set includes bits for drilling pilot holes for screw sizes #6,#8,#10 and #12.

Specification:

 
Material: HSS Drill 4241
Color:As the pictures show
Black chamfer drill body material: steel 45
Dimension:
6# 2.38mm (0.0937 inch) x 55mm(L)
8# 2.78mm (0.1094 inch) x 60mm(L)
10# 3.175mm (0.125 inch) x 63mm(L)
12# 3.56mm (0.14 inch) x 65mm(L)
Shank: 1/4 hex shank.

Package included:
 
4 x Countersink Drill Bits
1 x Hex Shank
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